explain 2/7+15/17
Let's evaluate: 27 + 1517
ⓘTo add fractions, put them over the same denominator, then add the numerators
2×17 + 15×77×17
ⓘMultiplications are done before additions and subtractions:
2×17 = (10 + 7)×2 = 10×2 + 7×2 = 20 + 14 = 34‖15×7 = (10 + 5)×7 = 10×7 + 5×7 = 70 + 35 = 105‖7×17 = (10 + 7)×7 = 10×7 + 7×7 = 70 + 49 = 119
34 + 105119
ⓘThe numerator and the denominator are computed before the division: 34 + 105 = 139
▶Result:   139119
The approximate value of: 139119 equals:
▷ ≈ 1.1681